Ilya went missing from his family home in Tepozlan Mexico about one hour south of Mexico City in Morales County and was last heard from on Sunday night, January 30, 2011 at about 8:00 p.m after speaking with friends and business partners in Los Angeles, CA, although it is believed that he left his house on Monday, January 31, 2011 to do some errands and for a dental appointment.

Ilya is created with producing and supervising (with his deceased father) the filming on "Superman" and "Superman II," simultaneously, as the father and son team had done with "The Three Musketeers" and "The Four Musketeers." Later, Ilya also acted as Executive Producer on "Superman III" and was involved in the production of numerous other films including most recently "Young Alexander the Great."